Computer wrist pad adjustable in height and hardness

ABSTRACT

A computer wrist pad comprises a bottom seat, an outer layer, two end plates, and at least one air sac. The bottom seat is provided with an open-ended receiving space in which the air sac is disposed. The receiving space is sealed off at both ends thereof by the two end plates. The air sac is inflatable and deflatable for adjusting the hardness and the thickness of the computer wrist pad.

FIELD OF THE INVENTION

[0001] The present invention relates generally to a computer peripheralequipment, and more particularly to a computer wrist pad which can beadjusted in height and hardness.

BACKGROUND OF THE INVENTION

[0002] The conventional computer wrist pad is made of EVA foam bodywhich is attached to a piece of cloth. There are keyboard wrist pad andmouse wrist pad. The computer wrist pad is intended to soothe the wristof a computer user. However, the conventional computer wrist pad has afixed hardness and a fixed thickness, which provide a little help inalleviating the pain or discomfort to the wrist of the computer user, inview of the fact that the operating motion of the computer is differentfrom person to person, and that the arm weight differs from person toperson.

SUMMARY OF THE INVENTION

[0003] The primary objective of the present invention is to provide acomputer wrist pad with means to adjust the hardness and the thicknessof the computer wrist pad.

[0004] The computer wrist pad comprises a bottom seat, a soft outerlayer, at least one air sac, and two side plates. The bottom seat isprovided with a receiving space, which is sealed off by the two sideplates. The air sac is disposed in the receiving space and is providedwith an inflation port which is located in one of the side plates. Thethickness and the hardness of the computer wrist pad are adjusted by theextent to which the air sac is inflated.

BRIEF DESCRIPTION OF THE DRAWINGS

[0005]FIG. 1 shows a perspective view of a first preferred embodiment ofthe present invention.

[0006]FIG. 2 shows a partial exploded view of the first preferredembodiment of the present invention.

[0007]FIG. 3 shows a sectional view taken along the direction indicatedby a line 3-3 as shown in FIG. 1.

[0008]FIG. 4 shows a schematic view of an inflated air sac of thepreferred embodiment of the present invention.

[0009]FIG. 5 shows a schematic view of the preferred embodiment of thepresent invention with the air sac being deflated.

[0010]FIG. 6 shows a sectional view of air sac and elastomer of a secondpreferred embodiment of the present invention.

[0011]FIG. 7 shows a perspective view of a third preferred embodiment ofthe present invention.

[0012]FIG. 8 shows a perspective view of a fourth preferred embodimentof the present invention.

DETAILED DESCRIPTION OF THE INVENTION

[0013] As shown in FIGS. 1-3, a computer wrist pad 10 embodied in thepresent invention comprises a bottom seat 12, an outer layer 14, twoside plates 16 and 17, and four air sacs 18 in communication with oneanother.

[0014] The bottom seat 12 has a U-shaped cross section and is made of aplastic material by injection molding or a metal material. The bottomseat 12 is provided with an open-ended receiving space 22.

[0015] The outer layer 14 is formed of an elastic cloth 24 and a PUartificial sponge 26 attached to the underside of the elastic cloth 24.The outer layer 14 covers the top the bottom seat 12.

[0016] The two side plates 16 and 17 are disposed at two ends of thebottom seat 12 for sealing off the receiving space 22. The first sideplate 16 is provided with a receiving port 28.

[0017] The air sacs 18 are made of PVC or PU and are disposed in thereceiving space 22. The air sacs 18 are provided at one end with aninflation port 30 in communication with atmospheric air.

[0018] The computer wrist pad 10 further comprises a pressure diffusionlayer 32, which is located between the outer layer 14 and the air sacs18 and is made of EVA, PVC, PE, or PP. The pressure diffusion layer 32is intended to transmit uniformly the pressure, which exerts on the topof the outer layer 14, to the air sacs 18. A skidproof layer 34 isdisposed in the underside of the bottom seat 12 and is made of EVA, PE,PP, or rubberlike material.

[0019] The hardness and the thickness of the computer wrist pad 10 canbe adjusted, as shown in FIG. 4, by inflating the air sacs 18 to resultin an increase in hardness and thickness. In the meantime, the air sacs18 can be appropriately deflated to result in a decrease in hardness andthickness of the pad 10, as shown in FIG. 5.

[0020] As shown in FIG. 6, a computer wrist pad 40 of the secondpreferred embodiment of the present invention is basically similar inconstruction to the computer wrist pad 10 described above, except thatthe former comprises air sacs 42 which are provided with an elastomer 44of EVA, PVC, PE, PP, or rubberlike material. The elastomers 44 serve tosupport the wrist at the time when the air sacs 42 are not inflated.

[0021] As shown in FIG. 7, a computer wrist pad 50 of the thirdpreferred embodiment of the present invention is provided with aplatelike pad body 52 which has a greater area and is attached to theunderside of the bottom seat (not shown in the drawing).

[0022] As shown in FIG. 8, a computer wrist pad 60 of the fourthpreferred embodiment of the present invention is basically similar inconstruction to the pad 10, except that the former comprises a prior artinflation-deflation device 62, which is in communication with the airsacs and is provided with an inflation ball sac 64 and a deflation valve66.

What is claimed is:
 1. A computer wrist pad comprising: a bottom seatprovided with an open-ended receiving space; an outer layer having asoftness and covering said bottom seat; two side plates disposed at twoends of said bottom seat for sealing off said receiving space; and atleast one air sac which is inflatable and deflatable and is disposed insaid receiving space, said air sac having an inflation port whereby saidinflation port is located in one of said two side plates.
 2. Thecomputer wrist pad as defined in claim 1 further comprising a pressurediffusion layer whereby said pressure diffusion layer is located betweensaid outer layer and said air sac.
 3. The computer wrist pad as definedin claim 2 , wherein said pressure diffusion layer is made of a foamelastic body.
 4. The computer wrist pad as defined in claim 1 furthercomprising a skidproof layer which is disposed in the underside of saidbottom seat.
 5. The computer wrist pad as defined in claim 4 , whereinsaid skidproof layer is made of a rubber material.
 6. The computer wristpad as defined in claim 1 further comprising a platelike pad body whichis disposed in the underside of said bottom seat and is greater in areathan said bottom seat.
 7. The computer wrist pad as defined in claim 1 ,wherein said bottom seat is made of a plastic material.
 8. The computerwrist pad as defined in claim 1 , wherein said bottom seat is made of ametal material.
 9. The computer wrist pad as defined in claim 1 ,wherein said outer layer is formed of an elastic cloth and an artificialsponge attached to the underside of said elastic cloth.
 10. The computerwrist pad as defined in claim 1 , wherein said air sac is provided witha plurality of elastomers contained therein.